/*
 * Copyright (c) 2025 Huawei Device Co., Ltd.
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include <string>
#include "init_utils.h"
#include "securec.h"
#include "stringtouint_fuzzer.h"


namespace OHOS {
    bool FuzzStringToUint(const uint8_t* data, size_t size)
    {
        if (size < sizeof(int)) {
            return false;
        }

        int extractedInt = 0;
        errno_t err = memcpy_s(&extractedInt, sizeof(extractedInt), data, sizeof(int));
        if (err != 0) {
            return false;
        }
        std::string num = std::to_string(std::abs(extractedInt));
        unsigned int value = 0;
        StringToUint(num.c_str(), &value);
        return true;
    }
}

/* Fuzzer entry point */
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    /* Run your code on data */
    OHOS::FuzzStringToUint(data, size);
    return 0;
}
